
about_Variables - PowerShell | Microsoft Learn
Working with variables To create a new variable, use an assignment statement to assign a value to the variable. You don't have to declare the variable before using it. The default value of all …
Get Started with Variable Libraries - Microsoft Fabric
Dec 15, 2025 · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.
DECLARE @local_variable (Transact-SQL) - SQL Server
Nov 18, 2025 · The value can be a constant or an expression, but it must either match the variable declaration type or be implicitly convertible to that type. For more information, see …
How to: Create a New Variable - Visual Basic | Microsoft Learn
Sep 15, 2021 · How to: Create a New Variable (Visual Basic) You create a variable with a Dim Statement.
about_PSItem - PowerShell | Microsoft Learn
PowerShell includes the $PSItem variable and its alias, $_, as automatic variables in scriptblocks that process the current object, such as in the pipeline. This article uses $PSItem in the …
Clear-Variable (Microsoft.PowerShell.Utility) - PowerShell
To delete a variable, along with its value, use Remove-Variable or Remove-Item. This cmdlet does not delete the values of variables that are set as constants or owned by the system, even …
Integration Services (SSIS) Variables - learn.microsoft.com
Dec 17, 2024 · To use an expression to set the variable value, first confirm that the variable data type is compatible with the evaluation result of the expression and then provide an expression …
Use variables in Classic release pipelines - Azure Pipelines
Oct 27, 2025 · Use custom variables To use custom variables in your tasks, enclose the variable name in parentheses and precede it with a $ character. For example, if you have a variable …
Set-Variable (Microsoft.PowerShell.Utility) - PowerShell
The Set-Variable cmdlet assigns a value to a specified variable or changes the current value. If the variable does not exist, the cmdlet creates it.
Variables actions reference - Power Automate | Microsoft Learn
Jun 20, 2024 · To increase or decrease the value of a numeric variable, use the Increase variable and Decrease variable actions, respectively. Most actions output their result into a variable.